The purpose of this app is for those who maybe do not want or need the excellent Hass agent https://github.com/LAB02-Research/HASS.Agent

It will provide some simple metrics like CPU and RAM usage, and some commands via MQTT to allow you to turn off / reboot / put into standby your PC

This will create a device with several sensors and switches in HomeAssistant via the MQTT integration:

Whilst testing I suggest you use the "Confirm Power Actions" checkbox to stop yourself inadvertantly powering off your computer!